<template>
    <div class="login_container">
        <!-- 登录盒子  -->
        <div class="login_box">
            <!-- 头像 -->
            <div class="avatar_box">
                <img src="../assets/dl1.jpg" alt="">
            </div>
            <!-- 登录表单 -->
            <el-form :model="loginForm" ref="LoginFormRef" :rules="rules" label-width="0px" class="login_form">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="el-icon-user-solid" ></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input type="password" v-model="loginForm.password" prefix-icon="el-icon-lock"></el-input>
                    <div align="right">
                        <el-link type="info" @click="dialogVisible=true">忘记密码？</el-link>
                    </div>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns"  >
                    <el-button type="primary" @click="submitForm()" >登录</el-button>
                    <el-button type="info" @click="resetForm()">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
        <el-dialog
                title="忘记密码"
                :visible.sync="dialogVisible"
                width="60%"
                height="50"
                :before-close="handleClose">
            <span slot="footer" class="dialog-footer"></span>
            <LosePassword v-model="dialogVisible"></LosePassword>
        </el-dialog>
    </div>
</template>

<script>
    import LosePassword from "../components/LosePassword";
    export default {
        components:{LosePassword},
        name: "login",
        data(){
            return {
                loginForm:{
                    username:"",
                    password:""
                },
                dialogVisible:false,
                rules:{
                    username: [
                        { required: true, message: '请输入账号', trigger: 'blur' }
                    ],
                    password:[
                        {required: true, message: '请输入密码', trigger: 'blur'},
                        {min:6,max:12, message: '密码必须为6-12位', trigger: 'blur'}
                    ]
                },

            }
        },
        methods:{
            submitForm(formName){
                this.$refs.LoginFormRef.validate((valid) => {
                    var that=this;
                    if (valid){
                        this.$http.post("/system/login",this.loginForm).then(function (result) {
                            if (result.data.code==2000){
                                that.$message.success("登陆成功");
                                // 可以把后台响应的token 值放入到cookiei
                                // SessionStorage理解为session
                                // Localstorage理解为cookie

                                sessionStorage.setItem("token",result.data.result.token);
                                that.$router.push("/master");

                            }else{
                                that.$message.error("登陆失败");
                            }

                        })
                    }
                })
            },
            resetForm(){
                this.$refs.LoginFormRef.resetFields();
            },
            handleClose(){

            }
        }
    }
</script>

<style lang="less" scoped>
    .login_container {
        background-color: #2b5b6b;
        height: 100%;
    }
    .login_box {
        width: 450px;
        height: 300px;
        background: #fff;
        border-radius: 3px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        .avatar_box {
            height: 130px;
            width: 130px;
            border: 1px solid #eee;
            border-radius: 50%;
            padding: 10px;
            box-shadow: 0 0 10px #ddd;
            position: absolute;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #fff;
            img {
                width: 100%;
                height: 100%;
                border-radius: 50%;
                background-color: #eee;
            }
        }
    }


    .login_form {
        position: absolute;
        bottom: 0;
        width: 100%;
        padding: 0 20px;
        box-sizing: border-box;
    }
    .btns {
        display: flex;
        justify-content: flex-end;
        width: 100%;
    }

</style>